Remember whether a window is maximized, when going fullscreen, and restore
back to maximized, when leaving fullscreen, for issues #538 and #533.
Disarm workspace buttons on release of left mouse button for issue #527.
Restore icesh setTrayOption and getTrayOption for issue #537.
Make support for "_NET_WM_FULLSCREEN_MONITORS" more EWMH conformant.
Add "monitors", "frame", "properties" commands to icesh.
Make preference FullscreenUseAllMonitors use only all the monitors.
Prevent desktop artefacts for non-opaque move and resize to fix issue #540.
Option to move the ShowDesktop button to the right side.
Alt-F4 in quick-switch closes application window.
shasum icewm-2.1.0.tar.lz 58f162a99b0643057b82a970dfa231132c418e50